Question about 980 Ti

Stg-Flame

Diamond Member
Mar 10, 2007
3,608
548
126
I was going to upgrade my GPU earlier this year, but upon the advice of most people here, I decided to wait until the 980s went down in price. Seeing as how the new 980 Ti is almost the exact same price as the 980s and considering I will be upgrading very soon, would the Ti be a better option concerning price vs power? I'm keeping my current monitor and I've read the Ti cards excel with 1440p, so that's already covered, but I am hoping this upgrade will last me for the next few years like my current 670s have (been almost four years and they are still going strong but starting to show their age).

Any input on 980s vs 980 Ti is greatly appreciated. I would like to go SLi again, but I have read about heating issues on the Ti cards while in SLi configurations.
 

IEC

Elite Member
Super Moderator
Jun 10, 2004
14,560
5,952
136
1. Wait for 980 Ti with aftermarket coolers to begin showing up in stock if you must SLI.
2. Wait for Radeon Fury release. If nothing else, it will let you compare performance and hopefully lead to an across-the-board price cut for high end cards
 

Headfoot

Diamond Member
Feb 28, 2008
4,444
641
126
Wait for AMD to drop their new line in the coming few weeks. Now is a terrible time to buy, unless you're trying to scoop up cheap 290s. Let the market shake out and then decide.
 

LTC8K6

Lifer
Mar 10, 2004
28,520
1,575
126
Yes, you might as well wait until the AMD announcements on the 16th.

Even if you are buying an NV card, the AMD announcement and releases may help you out with a lowered NV card price.
 

moonbogg

Lifer
Jan 8, 2011
10,727
3,416
136
Who said there's a problem with SLI and heat? I got no heat problem with the cards being in SLI. You must be talking about overclocking the core 500mhz and expecting it to be cold enough to freeze helium with stock blowers?
 

IEC

Elite Member
Super Moderator
Jun 10, 2004
14,560
5,952
136
Who said there's a problem with SLI and heat? I got no heat problem with the cards being in SLI. You must be talking about overclocking the core 500mhz and expecting it to be cold enough to freeze helium with stock blowers?

This is with a single 980 Ti with a nice chilly 22C ambient:




And yes, if you like to overclock at all better cooling is better. Having run SLI, Crossfire, and CrossfireX configurations, I have found the following to generally be the best cooling:
1) Full waterblock custom loop setups
2) AIO/hybrid cooling
3) Non-reference air cooling
4) Reference coolers

Obviously YMWV, but for those of us not blessed with chilly ambient temps, reference cooling has always sucked for multi-card configurations.
 

MrTeal

Diamond Member
Dec 7, 2003
3,871
2,535
136
Thankfully the 980Ti uses the same board as the Titan X, so full coverage blocks are available now for a little over the $100 mark. You could build a cheap GPU loop for $200 instead of waiting for the aftermarket coolers.
 

Stg-Flame

Diamond Member
Mar 10, 2007
3,608
548
126
Who said there's a problem with SLI and heat? I got no heat problem with the cards being in SLI. You must be talking about overclocking the core 500mhz and expecting it to be cold enough to freeze helium with stock blowers?

I was reading through the Newegg reviews and quite a few of them mentioned heating issues with SLi configurations.

Thanks for the responses. Looks like I'll be waiting this one out as well. I'm strictly an nVidia guy and if new AMD cards means lower nVidia prices, I'm all for that.
 

BonzaiDuck

Lifer
Jun 30, 2004
16,094
1,709
126
I was reading through the Newegg reviews and quite a few of them mentioned heating issues with SLi configurations.

Thanks for the responses. Looks like I'll be waiting this one out as well. I'm strictly an nVidia guy and if new AMD cards means lower nVidia prices, I'm all for that.

I wanted to get my own assessment of "hot SLI" issues, with only time to check on my own favorite for this year: The MSI cards. I might have looked at reviews for my GTX 970s, but I scanned through some for the GTX 980 "Gaming" card.

Nobody was complaining much about temperatures, but as usual, customer-reviews come from folks inclined to measure the thermals with "daily usage" and games.

In other sources -- forum discussions about SLI -- there is a familiar profile that emerges with two big graphics cards installed in slots that leave less than an inch of space between them. Typically, the top card will run under stress-test loads a full 10C higher than the card below. On my 970s, I've seen the delta between 7 and 10C, depending on the test and how long it runs.

Among enthusiasts who don't pay a lot of attention to airflow for WHATEVER cooling strategy they employ, temperatures are going to be higher than for those who do pay attention at the outset.

Here, I have a 200mm BitFenix Spectre Pro side-panel intake fan rated at 144 CFM at top speed blowing on these cards. It's pushing air all over those cards -- top, bottom, upper side, lower side. And the dual "Twin Frozr" fans or whatever they're called push air in the heatpipe cooler fins in all directions. The fins are arrayed horizontally on the cards, front to back.

And this was the advantage posed by advocates of the "reference-card" design and barrel-fan, which blows air out the card-rear vented PCI-slot.

For the dual-fan designs, I can imagine some low-tech enhancements, provided you don't use any slot between the two SLI'd cards for another expansion card. You would remove the two PCI slot-covers, each just above each successive graphics card. You might then find a way to channel air up and over the top of each card and force that air out these two open PCI slots. But there's just not a lot of room to make such enhancements in the space between the cards.

If I finally decide to "act" on my impulse to enhance SLI cooling without water-blocks, I'll post it here later. But if one could close the 10C gap in temperatures between upper and lower cards, it would be an achievement for this particular topic.
 

BonzaiDuck

Lifer
Jun 30, 2004
16,094
1,709
126
If your worried about heat and sli. I think Asus came up with a cool idea. decreases temps by 10c in sli. Sucks air in on both sides and blows it out your case.

https://www.asus.com/us/Graphics_Cards/TURBOGTX970OC4GD5/

And . . . I submit myself as another example of this . . . failure to anticipate . . . that I mentioned, about "attention to airflow and other things."

I should have given a more favorable eye to reference design, and especially -- these ASUS 970 cards.

Still, I think there is a way to make "twin Frozr" fans work to a benefit that they don't already tap.
 

Stg-Flame

Diamond Member
Mar 10, 2007
3,608
548
126
That is a really cool idea. Thanks for the information. For now, I have the side panel removed from my pc due to me living in the desert and this year being a bit hotter than normal.

I need to stop looking at the 980 Ti. It's taking forever to drop in price and I'm considering swapping my SLi 670s for a single 980 Ti, but I'm worried I won't see much of an improvement performance wise.
 
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